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diff --git a/ccl/cclstr.c b/ccl/cclstr.c
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+/*
+ * Copyright (c) 1995, the EUROPAGATE consortium (see below).
+ *
+ * The EUROPAGATE consortium members are:
+ *
+ *    University College Dublin
+ *    Danmarks Teknologiske Videnscenter
+ *    An Chomhairle Leabharlanna
+ *    Consejo Superior de Investigaciones Cientificas
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation, in whole or in part, for any purpose, is hereby granted,
+ * provided that:
+ *
+ * 1. This copyright and permission notice appear in all copies of the
+ * software and its documentation. Notices of copyright or attribution
+ * which appear at the beginning of any file must remain unchanged.
+ *
+ * 2. The names of EUROPAGATE or the project partners may not be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * 3. Users of this software (implementors and gateway operators) agree to
+ * inform the EUROPAGATE consortium of their use of the software. This
+ * information will be used to evaluate the EUROPAGATE project and the
+ * software, and to plan further developments. The consortium may use
+ * the information in later publications.
+ * 
+ * 4. Users of this software agree to make their best efforts, when
+ * documenting their use of the software, to acknowledge the EUROPAGATE
+ * consortium, and the role played by the software in their work.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE
+ * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF
+ * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
+ * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND
+ * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+/* CCL string compare utilities
+ * Europagate, 1995
+ *
+ * $Log: cclstr.c,v $
+ * Revision 1.1  1996-10-11 15:00:26  adam
+ * CCL parser from Europagate Email gateway 1.0.
+ *
+ * Revision 1.3  1996/01/24  10:11:19  adam
+ * Added include of stdlib.h.
+ *
+ * Revision 1.2  1995/05/16  09:39:27  adam
+ * LICENSE.
+ *
+ * Revision 1.1  1995/05/11  14:03:57  adam
+ * Changes in the reading of qualifier(s). New function: ccl_qual_fitem.
+ * New variable ccl_case_sensitive, which controls whether reserved
+ * words and field names are case sensitive or not.
+ *
+ */
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <ccl.h>
+
+static int ccli_toupper (int c)
+{
+    return toupper (c);
+}
+
+int (*ccl_toupper)(int c) = NULL;
+
+int ccl_stricmp (const char *s1, const char *s2)
+{
+    if (!ccl_toupper)
+        ccl_toupper = ccli_toupper;
+    while (*s1 && *s2)
+    {
+        int c1, c2;
+        c1 = (*ccl_toupper)(*s1);
+        c2 = (*ccl_toupper)(*s2);
+        if (c1 != c2)
+            return c1 - c2;
+        s1++;
+        s2++;
+    }
+    return (*ccl_toupper)(*s1) - (*ccl_toupper)(*s2);
+}
+
+int ccl_memicmp (const char *s1, const char *s2, size_t n)
+{
+    if (!ccl_toupper)
+        ccl_toupper = ccli_toupper;
+    while (1)
+    {
+        int c1, c2;
+
+        c1 = (*ccl_toupper)(*s1);
+        c2 = (*ccl_toupper)(*s2);
+        if (n <= 1 || c1 != c2)
+            return c1 - c2;
+        s1++;
+        s2++;
+        --n;
+    }
+}
+